A mop pad, a flat headed mop, and a surface cleaning system is provided. The mop pad comprising a cleaning layer configured to remove contaminants from a surface being cleaned. A backing layer is coupled to the cleaning layer, the backing layer having a fastener configured to couple the backing layer to a mop head. At least one insert member coupled between at least one of the backing layer and the cleaning layer, the at least one insert being arranged adjacent an end of the mop pad.